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Make the removal of files use Path::eraseFromDisk just like it does for

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the removal of directories. Using std::remove is indiscriminate and can
lead to the removal of things like /dev/null if run as root. The
Path::eraseFromDisk method ensures that we only ever remove regular files
or directories, but never character or block special nodes.  This should
clear up the problem with usage like: llvm-as -o /dev/null which is used
in the llvm-test makefiles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29540 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-08-07 05:34:08 +00:00
parent bffdc36c38
commit a8e80c5188
1 changed files with 5 additions and 4 deletions
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9
lib/System/Unix/Signals.inc
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@ -15,6 +15,7 @@
#include "Unix.h"
#include <vector>
#include <algorithm>
#include <iostream>
#if HAVE_EXECINFO_H
# include <execinfo.h> // For backtrace().
#endif
@ -30,7 +31,7 @@ bool StackTraceRequested = false;
/// InterruptFunction - The function to call if ctrl-c is pressed.
void (*InterruptFunction)() = 0;
std::vector<std::string> *FilesToRemove = 0 ;
std::vector<sys::Path> *FilesToRemove = 0 ;
std::vector<sys::Path> *DirectoriesToRemove = 0;
// IntSigs - Signals that may interrupt the program at any time.
@ -112,7 +113,7 @@ void PrintStackTrace() {
RETSIGTYPE SignalHandler(int Sig) {
if (FilesToRemove != 0)
while (!FilesToRemove->empty()) {
std::remove(FilesToRemove->back().c_str());
FilesToRemove->back().eraseFromDisk(true);
FilesToRemove->pop_back();
}
@ -156,9 +157,9 @@ void sys::SetInterruptFunction(void (*IF)()) {
// RemoveFileOnSignal - The public API
void sys::RemoveFileOnSignal(const sys::Path &Filename) {
if (FilesToRemove == 0)
FilesToRemove = new std::vector<std::string>;
FilesToRemove = new std::vector<sys::Path>;
FilesToRemove->push_back(Filename.toString());
FilesToRemove->push_back(Filename);
std::for_each(IntSigs, IntSigsEnd, RegisterHandler);
std::for_each(KillSigs, KillSigsEnd, RegisterHandler);